Which of the following is an example of functional obsolescence?
Correct Answer
D) One bathroom in a four-bedroom house
Why this is correct: Functional obsolescence is a loss in value due to a design flaw or outdated feature within the property itself, not from external factors or physical deterioration. A four-bedroom house with only one bathroom is a classic example of poor design relative to modern market expectations for such a home. Why the other choices are wrong: "Conditions in the neighborhood declining" describes external or locational obsolescence, not functional. "A visible crack in the foundation" is an example of physical deterioration or curable physical obsolescence. "Normal wear and tear on the flooring" is also physical deterioration, not a design deficiency. Exam tip: Functional obsolescence is about the property's design, not its condition or location.
Why This Is the Correct Answer
Why this is correct: Functional obsolescence is a loss in value due to a design flaw or outdated feature within the property itself, not from external factors or physical deterioration. A four-bedroom house with only one bathroom is a classic example of poor design relative to modern market expectations for such a home. Why the other choices are wrong: "Conditions in the neighborhood declining" describes external or locational obsolescence, not functional. "A visible crack in the foundation" is an example of physical deterioration or curable physical obsolescence. "Normal wear and tear on the flooring" is also physical deterioration, not a design deficiency. Exam tip: Functional obsolescence is about the property's design, not its condition or location.
Why the Other Options Are Wrong
Option A: Conditions in the neighborhood declining
Declining neighborhood conditions represent external obsolescence (also called economic obsolescence), which is caused by factors outside the property boundaries. This is the third type of depreciation, distinct from functional obsolescence which relates to internal design issues.
Option B: A visible crack in the foundation
A crack in the foundation represents physical deterioration, not functional obsolescence. Physical deterioration involves actual damage or wear to the property's structural or mechanical components, which is a separate category of depreciation from functional issues.
Option C: Normal wear and tear on the flooring
Normal wear and tear on flooring is classified as physical deterioration, specifically curable physical deterioration. This represents actual physical damage or aging of property components, not design deficiencies or functional inadequacies.
The FUN-ctional Design Test
Remember 'FUN-ctional' - if it's NOT FUN to live with due to poor DESIGN or layout issues (like insufficient bathrooms, bedrooms without closets, or outdated floor plans), it's functional obsolescence. The key is INTERNAL design problems, not external factors or physical damage.
How to use: When you see answer choices, ask yourself: 'Is this a design/layout problem that makes the house NOT FUN to live in?' If yes, and it's internal to the property, it's likely functional obsolescence.
Exam Tip
Quickly categorize each answer choice into the three types of depreciation: Physical (damage/wear), Functional (design issues), or External (neighborhood factors). This systematic approach prevents confusion between similar concepts.
Common Mistakes to Avoid
- -Confusing physical deterioration with functional obsolescence
- -Thinking external factors (neighborhood issues) are functional obsolescence
- -Assuming all outdated features are functional obsolescence rather than considering if they truly impact functionality
Concept Deep Dive
Analysis
Functional obsolescence is one of the three types of depreciation in real estate appraisal, representing a loss in value due to design deficiencies, outdated features, or inadequate functionality within the property itself. Unlike physical deterioration which involves actual wear and tear, functional obsolescence relates to how well the property's design meets current market standards and user expectations. This type of obsolescence can be either curable (economically feasible to fix) or incurable (too expensive to remedy relative to the value it would add). Understanding functional obsolescence is crucial for appraisers as it directly impacts property value through the cost approach and helps explain value differences in the sales comparison approach.
Background Knowledge
Appraisers must understand the three types of depreciation: physical deterioration (actual wear/damage), functional obsolescence (design deficiencies), and external obsolescence (outside influences). Each type affects property value differently and requires different analysis methods in the cost approach to valuation.
Real-World Application
When appraising older homes, appraisers commonly encounter functional obsolescence such as homes with only one bathroom, kitchens that are too small for modern use, or bedrooms without adequate closet space. These issues require adjustments in the sales comparison approach and specific calculations in the cost approach to accurately reflect market value.
More Cost Approach Questions
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A comparable sale occurred 8 months ago for $425,000. Market conditions indicate property values have increased 0.5% per month since that time. What is the adjusted sale price?
A property generates $150,000 in potential gross income. Market data indicates a 7% vacancy rate and operating expenses of 35% of effective gross income. If the cap rate is 9.5%, what is the indicated value?
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In the cost approach, economic obsolescence is characterized as:
The concept of regression in property values means that:
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